Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.6 5.382/6.311 5.805 ± 0.5589
ea02 1342 1342/1342 1342 ± 0.00002602 5.962 5.588/6.478 6.077 ± 0.6642
ea03 1342 1342/1342 1342 ± 0 6.151 5.424/6.696 6.098 ± 0.6952
ea04 1342 1342/1342 1342 ± 0.00003925 5.514 5.167/6.197 5.641 ± 0.5954
ea05 1342 1342/1342 1342 ± 0.00004208 5.672 5.326/6.446 5.973 ± 0.6462
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 5.653 5.343/6.253 5.92 ± 0.6281
ea08 1342 1342/1342 1342 ± 0 6.16 5.638/6.804 6.25 ± 0.6361
ea09 1342 1342/1342 1342 ± 0.00003234 5.768 5.132/6.396 5.809 ± 0.6337
ea10 1342 1342/1342 1342 ± 0 5.471 5.049/6.003 5.561 ± 0.585
ea11 1342 1342/1342 1342 ± 0.00004302 5.38 4.879/6.073 5.482 ± 0.6905
ea12 1342 1342/1342 1342 ± 0.0000236 5.548 5.325/6.278 5.731 ± 0.5787
ea13 1342 1342/1342 1342 ± 0.00000168 6.145 5.522/6.306 6.051 ± 0.5428
ea14 1342 1342/1342 1342 ± 0.00002945 6.012 5.656/6.561 6.106 ± 0.5942
ea15 1342 1342/1342 1342 ± 0.00004242 5.925 5.399/6.459 6.003 ± 0.6781
ea16 1342 1342/1342 1342 ± 0 6.284 5.653/6.744 6.252 ± 0.6721
ea17 1342 1342/1342 1342 ± 0 5.968 5.61/6.748 6.171 ± 0.7341
ea18 1342 1342/1342 1342 ± 0 6.086 5.858/6.864 6.375 ± 0.6436
ea19 1342 1342/1342 1342 ± 0 5.568 5.374/6.353 5.886 ± 0.576
ea20 1342 1342/1342 1342 ± 0.00001571 6.016 5.396/6.458 5.974 ± 0.581
ea21 1342 1342/1342 1342 ± 0 5.638 5.14/5.929 5.598 ± 0.4917
ea22 1342 1342/1342 1342 ± 0 6.511 5.671/6.933 6.326 ± 0.6661
ea23 1342 1342/1342 1342 ± 0 5.945 5.515/6.38 6.04 ± 0.6353
ea24 1342 1342/1342 1342 ± 0 6.024 5.234/6.467 5.884 ± 0.5869
ea25 1342 1342/1342 1342 ± 0 6.535 5.646/6.883 6.419 ± 0.7732
ea27 1342 1342/1342 1342 ± 0 5.703 5.426/6.469 5.947 ± 0.5532
ea28 1342 1342/1342 1342 ± 0 6.324 5.761/6.937 6.329 ± 0.6253
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002368 5.514 5.36/5.614 5.481 ± 0.2238
5 1342 1342/1342 1342 ± 0.00003478 5.09 4.934/5.413 5.15 ± 0.3351
6 1342 1342/1342 1342 ± 0.00002626 5.35 5.095/5.569 5.343 ± 0.305
7 1342 1342/1342 1342 ± 0.00002368 5.427 5.302/5.642 5.44 ± 0.236
8 1342 1342/1342 1342 ± 0.00002353 5.375 5.199/5.638 5.392 ± 0.2518
9 1342 1342/1342 1342 ± 0.00002368 5.654 5.547/5.96 5.706 ± 0.2756
10 1342 1342/1342 1342 ± 0.00002353 6.128 5.969/6.307 6.124 ± 0.2477
11 1342 1342/1342 1342 ± 0.00002353 6.331 6.146/6.541 6.356 ± 0.2636
12 1342 1342/1342 1342 ± 0.00002353 6.471 6.309/6.702 6.522 ± 0.3047
13 1342 1342/1342 1342 ± 0.00002353 6.893 6.655/7.15 6.929 ± 0.3154
14 1342 1342/1342 1342 ± 0.00002353 7.048 6.781/7.323 7.032 ± 0.3297
15 1342 1342/1342 1342 ± 0.00002353 6.575 6.343/6.819 6.573 ± 0.3272
16 1342 1342/1342 1342 ± 0.00005242 5.594 5.219/6.052 5.655 ± 0.514
17 1342 1342/1342 1342 ± 0.00004981 5.667 5.375/6.113 5.739 ± 0.4826
output_dir
 
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-23 01:26:57.329
End
2025-07-23 01:55:11.099
Duration
0:28:13.771
Note, WebLog generation is not included in the time.

CASA logs for stage 8